Liquid-sealed valve.



J. M. ROWLAND..

LIQUID SEALED VALVE.

APPLICATION PILED SEPT. zo, laos.

1 1 l 8,057. Patented Nov.` 24, 1914.

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JASPER M. ROWLAND, OF 'NIAGARA FALLS, NEW' YORK, ASSIGNOR, BY MESNE ASSIGN- MENTS, TO HOOKER ELECTROCHIJMIGAL COMPANY, OF YORK, N. Y., A COR- PORATION QF NEW 5 YORK.

LIQUID-SEALED VALVE.

T0 all whom it may concern:

Be it known that I, JASPER M. RowLAND, a citizen of the United States, residing at Niagara Falls, in the county of Niagara and State of New York, have invented certain new and useful Improvements in Liquid Sealed Valves, of which the following isa speciication.

rl`his invention relates to liquid-sealed valves, the object of the invention being the provision of a valve requiring much less head-room for its installation and operation than those now in use. The valve is particularly intended for controlling the flow of large volumes of gas under relatively low pressures, as for example in the chlorin conduits of bleach chambers and the like. Valves of this class as heretofore usually constructed have comprised a valve chamber in the gas conduit, and a liquid-sealed valve in the chamber, this valve being raised or lowered in operation and being actuated by rods extending through a deep liquid-seal mounted on the top of the valve chamber. Such construction required an amount of head-room more than double the vertical lift of the valve; for the depth of the seal surrounding the valve rod must exceed the maximum lift of the valve, and the space required is approximately doubled when the valve is raised. According to the present invention the construction is so modified that little or no head-room is required above the valve chamber and its flue connections, the valve being moreover far more conveniently and readily operated.

One embodiment of the invention is illustrated in the accompanying drawings, wherein,-

Figure 1 is a side elevation, partly in section, of a preferred form of valve in its open or raised position; and Fig. 2 is a horizontal section on line 2 2 of Fig. 1, the position of the rods being that assumed when the valve is closed.

In the drawings 1 represents the gas conduit, usually the gas inlet, which as shown leads from below, although the gas may enter laterally if desired. This conduit carries near its upper end an annular sealing trough 2, formed integral with the pipe and of suitable dimensions to receive and support the lower end of the valve chamber 3, and also to receive the depending sides 4 of the valve or cap 5. |The valve chamber 8, in the Patented Nomea, 1914.'.

Application ld September 20, 1909. Serial No. 518,557.

form shown, has a lateralgas outlet 6 and avv cover 7, the latter being either liquid-sealed or luted as may be desired.

.The annularl sealing trough 2 is provided with one or more deep pockets or wells 8, shown as two in numberand oppositely disposed. These wells are preferably formed integral with the'conduit l and sealing trough 2 as shown. When the valve'is in use, the

sealing trough2 and the wells. 8 are filled with a suitable sealing liquid as water, brine, etc.; this sealing'liquid may be drained if required through stopperedoriices 15 at the bottoms of the wells 8. v l

Rods 9 are secured to the cap 5 at diametrically opposite sides, and depend from the cap in alinenient with the wells 8, the wells receiving the rodsA when the cap is lowered to close the valve. Rods 10 extend into the outer portions of the wells 8, and are turned inward and upward at their lower ends 1l to engage the depending rods 9, in such manner that the cap 5 may be raised or lowered by a corresponding movementkof the rods 1.0, the rods l0 being reflexed, in the uppermost or open position of the valve, around the lower edge of the valve chamber 3 as clearly shown in Fig. l. The upper ends'of the rods l0 may be bent outwardly to form handles 12, and the valve may be held in its raised position by any suitable means, for example as shown by inserting the handles 12 in the looped ends of wire hooks 13 engaging the top of the valve chamber. It is obvious that the elements 9 and 10 might constitute a continuous member without affecting the operation of the valve. It is'preferable however in order that the cap 5 may be lifted out to permit inspection of the flues or for other purposes, that these members should be separable.

The abutting ends of the rods 9, 10 should be so formed as to permit of more or less positive engagement; and when the valve is used in a conduit for corrosive gases, as chlorin, it is essential that the rods, if of iron, should be adequately protected from the gas as well as from the sealing liquor. Both of these objects are simply accomplished by the construction illustrated, in which the depending rods 9 are incased in and protected by lead tubes 14, these tubes being secured by burning or otherwise to the lead cap or valve 5. The tubes 111 extend beyond the lower ends of the rods 9, and engage the upturned ends of the lifting rods l0, Which latter are preferably lead-coated and of proper diameter to slip easily Within the tubes and into abutment with the rods 9. It is obvious that the point of engagement of the rods 9 and l0 is not material, and that the upwardly turned inner ends of the rods 10 may if desired extend upwardly to and engage the valve itself, or a socket formed thereon.

Ubviously a single Well 8 might be ein ployed, but the provision of two oppositely disposed wells is preferred, as the construction is better balanced and more easily and Certainly operated.

l. ln combination, a gas conduit having an annular seal at its upper portion, a liquid- Well communicating with said seal, a Valve chamber supported Within said annular seal, a valve Within said chamber, said valve adapted to close said conduit and to depend into said annular seal, and a reilexed rod extending through said Well and into en gagenient with said valve for actuating the same.

2. In combination, a gas conduit having an annular seal at its upper portion, oppositely disposed liquid Wells Communicating with said seal, a valve chamber supported within said annuar seal, a Valve Within said chamber, said valve adapted to close said conduit and to depend into said annular seal, and relexed rods extending through said Wells and into engagement With said valve for actuating the saine.

ln testimony whereof, I alllx my signature in presence ol two Witnesses.

JASPER M. ROVVLAND.

vWitnesses A. H. HOOKER, E. R. BARTLETT.

Copies of this patent may be obtained for ave cents each, by addressing the Commissioner of Patents, Washington, DA C." 

